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After I upgraded LibreOffice to include Base, I now get warnings about "low disk space".
I am using Ubuntu on a 16GB USB.

For example, when I tried to use my Audacity it couldn't save due to memory issues in the temp folder. I changed the location of "/var/tmp/audacity-ubuntu" to my actual HD and Audacity ran fine.

I'm a noobie with Ubuntu/booting from a USB so I have a couple of questions that relate to this problem:

  1. Does Ubuntu use the USB as a HD and store and retrieve to the USB?

  2. My USB is 16GB, but it seemed that when I set it up as a boot, it only allowed me to allocate 4GB. Can I somehow increase that to use more of the free space on the USB, because it might solve my problem of the "low disk space" warnings.

I will post some pix of the warnings and the "exam" of the memory:

One of many warnings

The amount changes all the time, and gets smaller if I run a few apps.

Some have been even smaller

Here is an example of an "exam" of the storage space:

exam of the space

On the last image, I noticed that it says I still have 11GB left. Does that make any sense?
I am confused as a noobie would be! I hope I'm making sense. Thanks!

System Monitor of File System

I have expanded the list in case it's important:

System Monitor of File System expanded

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What does the "System Monitor" say under "filesystem" ? –  Steffen Christensen Mar 14 '13 at 20:35
    
Is it possible for you to install to real hardware? Because as it stands, there is not much you can do except for reinstalling. Installing on USB is not a recommended path for long term usage. –  RolandiXor Mar 14 '13 at 20:49
    
@Steffen Christensen : I posted an screenshot of the System Monitor. (As a noob I have no real idea as to what it means. Athought it does seem to say that I should have approx. 70% left?) –  Buskieboy Mar 15 '13 at 20:40
    
@RolandiXor I originally used the USB/Ubuntu because my Vista OS crapped out on start-up and I could not recover at all. I wanted to try and retrieve any files I could, i.e. pictures, important documents, music files etc., which I saved to DVDs. I suddenly realized that if I have complete access to the HD then I should be able to do a complete install of an OS. I don't want to go back to Vista as I hated it from the start. I'm just a big chicken about pulling the trigger on loading Ubuntu. I have noticed that on the USB it does seem a bit unstable. –  Buskieboy Mar 15 '13 at 20:49
1  
@Buskieboy you might want to pull that trigger soon, trust me. I had a flash drive go bad by using it somewhat like this. Make that two, iirc. –  RolandiXor Mar 16 '13 at 2:32
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